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The Cloward–Piven strategy is a political strategy outlined in 1966 by American sociologists and political activists Richard Cloward and Frances Fox Piven.The strategy aims to utilize "militant anti poverty groups" to facilitate a "political crisis" by overloading the welfare system via an increase in welfare claims, forcing the creation of a system of guaranteed minimum income and ...
Ralph Bingham Cloward (September 24, 1908 — November 13, 2000) was an American neurosurgeon, best known for his innovations in spinal neurosurgery. Cloward is known for the development of the Posterior Lumbar Interbody Fusion and Anterior Cervical Discectomy and Fusion . [ 1 ]
Richard Andrew Cloward (December 25, 1926 – August 20, 2001) was an American sociologist and activist. He influenced the Strain theory of criminal behavior and the concept of anomie , and was a primary motivator for the passage of the National Voter Registration Act of 1993 , commonly known as the "Motor Voter Act".
Poor People's Movements: Why They Succeed, How They Fail (1977; second edition 1979) is a book about social movements by the American academics and political activists Frances Fox Piven and Richard Cloward. The book advanced Piven and Cloward's theories about the possibilities and limits of social change through protest.
The basic mechanisms of evolution are applied directly or indirectly to come up with novel designs or solve problems that are difficult to solve otherwise. The research generated in these applied fields, contribute towards progress, especially from work on evolution in computer science and engineering fields such as mechanical engineering. [5]
Molecular paleontology refers to the recovery and analysis of DNA, proteins, carbohydrates, or lipids, and their diagenetic products from ancient human, animal, and plant remains. [1] [2] The field of molecular paleontology has yielded important insights into evolutionary events, species' diasporas, the discovery and characterization of extinct ...
Professor of biology Jerry Coyne sums up biological evolution succinctly: [3]. Life on Earth evolved gradually beginning with one primitive species – perhaps a self-replicating molecule – that lived more than 3.5 billion years ago; it then branched out over time, throwing off many new and diverse species; and the mechanism for most (but not all) of evolutionary change is natural selection.
Macroevolution refers to evolution that occurs at or above the level of species, in particular speciation and extinction, whereas microevolution refers to smaller evolutionary changes within a species or population, in particular shifts in allele frequency and adaptation. [135] Macroevolution is the outcome of long periods of microevolution. [136]